321G.13  Unlawful operation.
  1.  A person shall not drive or operate a snowmobile:
  a.  At a rate of speed greater than reasonable or proper under all existing circumstances.
  b.  In a careless, reckless, or negligent manner so as to endanger the person or property of another or to cause injury or damage thereto.
  c.  While under the influence of intoxicating liquor or narcotics or habit-forming drugs.
  d.  Without a lighted headlight and taillight from sunset to sunrise and at such other times when conditions provide insufficient lighting to render clearly discernible persons and vehicles at a distance of five hundred feet ahead.
  e.  In any tree nursery or planting in a manner which damages or destroys growing stock.
  f.  On any public land, public ice, or designated snowmobile trail, in violation of official signs of the commission prohibiting such operation in the interest of safety for persons, property, or the environment. Any officer appointed by the commission may post an official sign in an emergency for the protection of persons, property, or the environment.
  g.  (1)  In any park, wildlife area, preserve, refuge, game management area, or any portion of a meandered stream, or any portion of the bed of a nonmeandered stream which has been identified as a navigable stream or river by rule adopted by the department and which is covered by water, except on designated snowmobile trails.
  (2)  This paragraph “g” does not prohibit the use of ford crossings of public or private roads or any other ford crossing when used for agricultural purposes; the operation of construction vehicles engaged in lawful construction, repair, or maintenance in a streambed; or the operation of snowmobiles on ice.
  h.  Upon an operating railroad right-of-way. A snowmobile may be driven directly across a railroad right-of-way only at an established crossing and, notwithstanding any other provisions of law, may, if necessary, use the improved portion of the established crossing after yielding to all oncoming traffic. This paragraph does not apply to a law enforcement officer or railroad employee in the lawful discharge of the officer’s or employee’s duties or to an employee of a utility with authority to enter upon the railroad right-of-way in the lawful performance of the employee’s duties.
  i.  Upon the surface of any public water in a maneuver known as water skipping. This paragraph “i” does not apply to operation on rivers or streams between November 1 and April 1.
  2.  A person shall not operate or ride a snowmobile with a firearm in the person’s possession unless it is unloaded and enclosed in a carrying case. However, a nonambulatory person may carry an uncased and unloaded firearm while operating or riding a snowmobile.
  3.  A person shall not drive or operate a snowmobile on public land or a designated snowmobile trail without a measurable snow cover.
[C71, 73, 75, 77, 79, 81, §321G.13; 81 Acts, ch 113, §8]
89 Acts, ch 244, §25, 26; 91 Acts, ch 236, §3; 99 Acts, ch 97, §1; 2002 Acts, ch 1001, §2; 2002 Acts, ch 1027, §7, 8; 2004 Acts, ch 1132, §19 – 22; 2005 Acts, ch 138, §9; 2007 Acts, ch 22, §69; 2010 Acts, ch 1061, §180; 2012 Acts, ch 1100, §17 – 19

For applicable scheduled fines, see §805.8B, subsection 2, paragraph b